Black Box Async RS232 Extender over CATx - DB9 with Control Signals to Terminal Block
StarTech.com 1 Port USB over Cat5 / Cat6 Ethernet Extender - up to 131ft (40m)
StarTech.com 4 Port USB 2.0 Extender Hub over Cat5e or Cat6 Ethernet Cable - 330ft/100m Metal USB 2.0 Extender Kit - ESD, Powered, 480mbps
StarTech.com 4 Port USB 2.0 Extender over Ethernet/IP Network Hub - up to 330ft (100m) - USB over Gigabit LAN or Direct Cat5e/Cat6 Cable
StarTech.com USB 2.0 Extender over Cat5e or Cat6 Ethernet Cable - 330ft/100m USB 2.0 Extender Adapter Kit w/ ESD & Metal Case - Powered
StarTech.com USB 2.0 Extender over Cat5e or Cat6 RJ45 Cable - 330ft/100m USB Extender Adapter Kit w/ ESD - Locally or Remotely Powered